Abstract: A shift register unit and a driving method thereof, a gate driving circuit and a display panel are disclosed. In the shift register unit of the embodiments of the present disclosure, at least two transistors are configured to be coupled to a DC signal supplying terminal. The at least two transistors are controlled to be alternatively turned on by an inputting signal from the DC signal supplying terminal.

Abstract: A touch display screen, a method for manufacturing the same, and a touch display device are provided. The touch display screen includes a display panel and a touch sensing pattern disposed on the display panel, an orthographic projection of the touch sensing pattern on the display panel covers a display region of the display panel and extends in a non-display region.

Abstract: Disclosed are a display substrate, a manufacturing method thereof, and a display device. The display substrate of the embodiments of the present disclosure comprises a base substrate, a scattering layer on the base substrate, and a reflecting layer pattern on a side of the scattering layer away from the base substrate.

Abstract: A pixel circuit includes a data writing and compensation sub-circuit, a driving sub-circuit, and a light-emitting control sub-circuit. The data writing and compensation sub-circuit is configured to transmit a data signal from a data voltage terminal to the driving sub-circuit under control of a first control signal terminal, and to compensate a threshold voltage of the driving sub-circuit under the control of the first control signal terminal. The light-emitting control sub-circuit is configured to transmit a first voltage signal from a first voltage terminal to the driving sub-circuit and the data writing and compensation sub-circuit under control of a second control signal terminal, and to transmit a second voltage signal from the second voltage terminal to the driving sub-circuit under the control of the second control signal terminal. The driving sub-circuit is configured to transmit a signal output from the light-emitting control sub-circuit to a light-emitting sub-circuit.

Abstract: The present invention provides a soluble pyrroloquinoline-quinone-dependent glucose dehydrogenase (PQQ-sGDH) mutant, wherein the amino acid positions thereof correspond to a wild-type PQQ-sGDH sequence of Acinetobacter calcoaceticus as shown in SEQ ID NO 1 comprising one of the following group of mutations: A194F, a combined mutation based on A194F, a combined mutation based on Q192A or a combined mutation based on Q192S. Said PQQ-sGDH mutant has good glucose substrate specificity and significantly reduced cross-reactivity to maltose and the like, and is suitable for detecting glucose in a sample such as blood.

Abstract: A method for determining a touch layer pattern, a touch display device, a computer device and a storage medium are provided. The method includes: providing a pixel pattern which contains a light shielding region and a sub-pixel region defined by the light shielding region; superimposing at least two different touch patterns with the pixel pattern respectively to obtain at least two superimposed patterns; and determining, as a touch layer pattern, a touch pattern from the at least two touch patterns, according to equivalent grayscales of the at least two superimposed patterns.

Abstract: A display substrate, a short-circuit detecting method, and a display device are provided. The display substrate includes: a plurality of touch control electrodes, a plurality of touch control signal lines, a voltage receiving end, and a plurality of switch circuits. The plurality of touch control electrodes are divided into a plurality of test groups. Each of the touch control electrodes belongs to one of the plurality of test groups. Each of the switch circuits is connected to all touch control electrodes in a test group through the touch control signal line. The switch circuit is configured to switch a connection state between the connected touch control electrodes and the voltage receiving end under the control of the connected switch control signal. Based on the structure of display substrate, it is possible to detect whether there is a short circuit between the touch control electrodes in the electrical test.

Abstract: Disclosed are a display substrate, a manufacturing method thereof, and a display device. The display substrate of the embodiments of the present disclosure comprises a base substrate, a scattering layer on the base substrate, and a reflecting layer pattern on a side of the scattering layer away from the base substrate.

Abstract: A shift register unit and a driving method thereof, a gate driving circuit and a display panel are disclosed. In the shift register unit of the embodiments of the present disclosure, at least two transistors are configured to be coupled to a DC signal supplying terminal. The at least two transistors are controlled to be alternatively turned on by an inputting signal from the DC signal supplying terminal.

Abstract: A touch screen and a touch display device are provided in the present disclosure. The touch screen includes a substrate; a touch electrode pattern on the substrate; an optical interrupting pattern on a side of the touch electrode pattern facing away from the substrate; wherein in an effective display region of a display screen, at least a portion of an orthographic projection of the optical interrupting pattern on the substrate falls into an orthographic projection of the touch electrode pattern on the substrate to form a plurality of overlapping regions spaced apart from each other.